From left: GST-S300G-1A2, GST-S300-1A, GST-S300G-1A9, GST-S300BD-1A, GST-S310D-1A

GST-S300G-1A9

GST-S300G-1A9

GST-S300G-1A9

GST-S300G-1A9

GST-S300G-1A9